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Analog Electronics

Analog Electronics
Which of the following is trivalent impurity ?

None of these
 Silicon
 Boron
 Antimony

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Analog Electronics
The reverse saturation electric current of a pn junction varies with temperature (T) as

  T.
  independent of T.
  T2.
  1 / T.

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Analog Electronics
When the JFET is no longer able to control the current, this point is called the

  breakdown region.
  saturated point.
  depletion region.
  pinch-off region.

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Analog Electronics
Early effect in BJT refers to

  zener breakdown.
  thermal breakdown.
  base narrowing.
  avalanche breakdown.

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Analog Electronics
If a transistor operates at the middle of the load line, a decrease in the current gain will move the Q point

  down.
 up.
 off the load line.
 nowhere.

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Analog Electronics
The percentage voltage regulation of voltage supply providing 100 V unloaded and 95 V at full load is

  none of them.
  5.3 %.
  5 %.
  0.53 %.

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